ByteOS Network

CVE Vulnerability Details :

CVE-2026-28288

PUBLISHED

More Info Official Page

Assigner-GitHub_M

Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa

Published At-27 Feb, 2026 | 20:25

Updated At-27 Feb, 2026 | 20:45

▼CVE Numbering Authority (CNA)

Dify has a user enumeration issue

Dify is an open-source LLM app development platform. Prior to 1.9.0, responses from the Dify API to existing and non-existent accounts differ, allowing an attacker to enumerate email addresses registered with Dify. Version 1.9.0 fixes the issue.

Affected Products

Vendor

langgenius

Product

dify

Versions

Affected

< 1.9.0

Problem Types

Type	CWE ID	Description
CWE	CWE-204	CWE-204: Observable Response Discrepancy

Type: CWE

CWE ID: CWE-204

Description: CWE-204: Observable Response Discrepancy

Metrics

Version	Base score	Base severity	Vector
4.0	5.5	MEDIUM	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

Version: 4.0

Base score: 5.5

Base severity: MEDIUM

Vector:

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

References

Hyperlink	Resource
https://github.com/langgenius/dify/security/advisories/GHSA-9qpf-wcv3-w3qx	x_refsource_CONFIRM
https://github.com/langgenius/dify/issues/24323	x_refsource_MISC

Hyperlink: https://github.com/langgenius/dify/security/advisories/GHSA-9qpf-wcv3-w3qx

Resource:

x_refsource_CONFIRM

Hyperlink: https://github.com/langgenius/dify/issues/24323

Resource:

x_refsource_MISC

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

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Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References